8228710890 has 32 divisors (see below), whose sum is σ = 21943229760. Its totient is φ = 2194322832.

The previous prime is 8228710859. The next prime is 8228711009. The reversal of 8228710890 is 980178228.

It is a happy number.

It is a super-2 number, since 2×8228710890² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15238084 + ... + 15238623.

It is an arithmetic number, because the mean of its divisors is an integer number (685725930).

Almost surely, 2^8228710890 is an apocalyptic number.

8228710890 is an abundant number, since it is smaller than the sum of its proper divisors (13714518870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8228710890 is a wasteful number, since it uses less digits than its factorization.

8228710890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30476723 (or 30476717 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 8228710890 is about 90712.2422278272. The cubic root of 8228710890 is about 2018.8804443821.

The spelling of 8228710890 in words is "eight billion, two hundred twenty-eight million, seven hundred ten thousand, eight hundred ninety".